Water ripple lamp

1. A water ripple lamp, comprising:

a housing assembly, defining two light outlets opposite to each other;

a first water ripple light-transmitting plate, covering the light outlets;

a water ripple light-transmitting tube assembly, arranged inside the housing assembly and configured to be rotatable, wherein the water ripple light-transmitting tube assembly comprises:

a water ripple light-transmitting tube; and

an outer ring, fixed to an end of the water ripple light-transmitting tube; and

a limiting assembly, comprising:

a retaining ring, fixed to an inner side of the housing assembly;

a bearing structure, fixed to the retaining ring and comprising a bearing,

wherein the bearing is configured to abut against the outer ring from a radially outer side of the outer ring, and is rollable relative to the outer ring,

a light-emitting assembly, comprising:

a heat dissipation column, comprising a plurality of side faces, fixedly connected to the housing assembly and at least partially extending into a cavity defined by the water ripple light-transmitting tube; and

at least one light source structure, tightly attached to each of the plurality of side faces,

wherein the at least one light source structure attached to one of the plurality of side faces faces one of the two light outlets, and the at least one light source structure attached to another of the plurality of side faces faces another of the two light outlets.

2. The water ripple lamp as claimed in claim 1 , wherein

the outer ring defines a radially recessed annular raceway, and the bearing is configured to abut against a bottom wall of the raceway,

wherein a rotational axis of the bearing is parallel to a rotational axis of the water ripple light-transmitting tube.

3. The water ripple lamp as claimed in claim 1 , wherein

the outer ring comprises a first outer ring and a second outer ring, the first outer ring is fixedly provided at a first end of the water ripple light-transmitting tube, the second outer ring is fixedly provided at a second end of the water ripple light-transmitting tube, and

the retaining ring comprises a first retaining ring and a second retaining ring, the first retaining ring is configured to face the first outer ring, and the second retaining ring is configured to face the second outer ring.

4. The water ripple lamp as claimed in claim 1 , wherein

the light source structure comprises a substrate and at least one LED lamp bead, the substrate is tightly attached to the heat dissipation column, and the at least one LED lamp bead is disposed on the substrate.

5. The water ripple lamp as claimed in claim 1 , wherein

the housing assembly comprises continuous heat-conducting portion in contact with the heat dissipation column.

6. The water ripple lamp as claimed in claim 1 , wherein

the housing assembly further defines at least two light outlets spaced apart from each other, and

the first water ripple light-transmitting plate comprises a dome-shaped water ripple light-transmitting plate, and the dome-shaped water ripple light-transmitting plate is configured to cover at least one of the at least two spaced-apart light outlets.

7. The water ripple lamp as claimed in claim 1 , further comprising:

a power assembly, configured to drive the water ripple light-transmitting tube assembly to rotate,

the water ripple light-transmitting tube assembly comprises a base plate, the base plate is fixed to an end of the water ripple light-transmitting tube, and

the power assembly comprises a motor and a coupling shaft connected in a transmission manner, the coupling shaft is connected to the base plate in a transmission manner.

8. The water ripple lamp as claimed in claim 1 , further comprising:

a power assembly, configured to drive the water ripple light-transmitting tube assembly to rotate,

the power assembly comprises a motor and a gear pair connected to each other in a transmission manner, the gear pair comprises a first gear member and a second gear member that mesh with each other, the first gear member is connected to the motor in a transmission manner, the second gear member is fixed to one side of the water ripple light-transmitting tube assembly,

the motor is arranged below the water ripple light-transmitting tube assembly.

9. The water ripple lamp as claimed in claim 1 , further comprising:

an adjustable bracket, mounted to the housing assembly.

10. A water ripple lamp, comprising:

a housing assembly, comprising a housing, the housing defining two light outlets opposite to each other;

a water ripple light-transmitting tube assembly, arranged inside the housing assembly and is configured to be rotatable,

a light-emitting assembly, comprises:

a heat dissipation column, comprising a plurality of side faces, fixedly connected to the housing assembly and at least partially extending into a cavity defined by the water ripple light-transmitting tube assembly; and

at least one light source structure tightly attached to one of the plurality of side faces,

wherein the at least one light source structure attached to one of the plurality of side faces faces one of the two light outlets, and the at least one light source structure attached to another of the plurality of side faces faces another of the two light outlets.

11. The water ripple lamp as claimed in claim 10 , wherein

each of the at least one light source structure comprises a substrate and at least one lamp bead, the substrate is tightly attached to one of the plurality of side faces, the at least one light source structure is provided on the substrate.

12. The water ripple lamp as claimed in claim 11 , wherein

one of the at least one light source structure further comprises a lens, the lens is configured to cover the at least one lamp bead.

13. The water ripple lamp as claimed in claim 10 , wherein

the heat dissipation column is configured to be axially rotatable, and switches an emitting direction of the at least one light source structure.

14. The water ripple lamp as claimed in claim 10 , wherein

the housing assembly comprises a housing that is at least partially light-transmissive, the housing comprises a water ripple pattern.

15. The water ripple lamp as claimed in claim 10 , wherein

the water ripple lamp comprises two first water ripple light-transmitting plates, one of the two first water ripple light-transmitting plates is configured to cover one of the two light outlets, another one of the two first water ripple light-transmitting plates is configured to cover another one of the two light outlets.

16. The water ripple lamp as claimed in claim 15 , wherein

the housing further defines two light outlets on a same side of the housing,

the at least one light source structure that is tightly attached to each of the plurality of side faces comprises a first light source structure and a second light source structure,

the first light source structure is configured to emit light towards one of the two light outlets on the same side of the housing, and

the second light source structure is configured to emit light towards another one of the two light outlets on the same side of the housing.

17. The water ripple lamp as claimed in claim 10 , further comprising:

a power assembly, configured to drive the water ripple light-transmitting tube assembly to rotate,

the power assembly comprises a motor and a gear pair connected to each other in a transmission manner, the gear pair comprises a first gear member and a second gear member that mesh with each other, the first gear member is connected to the motor in a transmission manner, the second gear member is fixed to one side of the water ripple light-transmitting tube assembly,

the motor is arranged below the water ripple light-transmitting tube assembly.